Blog Archives

2012 Olympics Swimming – 100m Butterfly Men Finals prediction

August 3, 2012
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2012 Olympics Swimming – 100m Butterfly Men Finals prediction

2012 Olympics Swimming - 100m Butterfly Men Finals prediction Author: Matt Malin Inspired by mages’ blog with predictions for 100m running times, I’ve decided to perform some basic modelling (loess and linear modelling) on previous Olympic results for the 100m Butterfly Men’s medal winning results. Code setup library(XML) library(ggplot2) swimming_path <- "http://www.databasesports.com/olympics/sport/sportevent.htm?sp=SWI&enum=200" swimming_data <- readHTMLTable( readLines(swimming_path), which = 3, stringsAsFactors...

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Smartphone operating system share mosaic plot

July 13, 2012
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Smartphone operating system share mosaic plot

(This article was first published on Actuarially (Matt Malin), and kindly contributed to R-bloggers) Smartphone operating system share mosaic plot Author: Matt Malin The increasing dominance of smartphones across the market is a very common topic in technology and news sites, with analysis of operating system share and phone types often shown in the media. Stumbling across this article...

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The Actuary Puzzle 508 – Square numbers

The Actuary Puzzle 508 – Square numbers

The Actuary Puzzle 508 - Square numbers Author: Matt Malin From the puzzle pages of The Actuary June 2012, I attempt to solve the following, making use of R: This square contains exactly 21 smaller squares. Each of these smaller squares has sides of integer length, with no two smaller squares having sides of the same length. Can you find a solution for...

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